Carbon dioxide fixation apparatus

Abstract

The present invention provides a new carbon dioxide fixation apparatus. The carbon dioxide fixation apparatus ( 1 ) of the present invention includes: a first reaction vessel ( 10 ); a carbon dioxide fixing agent feeding unit ( 110 ); and a gas-liquid mixing unit. The first reaction vessel ( 10 ) can contain a carbon dioxide fixing agent, the carbon dioxide fixing agent feeding unit ( 110 ) can feed the carbon dioxide fixing agent into the first reaction vessel ( 10 ), and the gas-liquid mixing unit can mix a gas containing carbon dioxide into the carbon dioxide fixing agent.

1 . A carbon dioxide fixation apparatus, comprising:
 a first reaction vessel;   a carbon dioxide fixing agent feeding unit; and   a gas-liquid mixing unit, wherein   the first reaction vessel can contain a carbon dioxide fixing agent,   the carbon dioxide fixing agent feeding unit can feed the carbon dioxide fixing agent into the first reaction vessel, and   the gas-liquid mixing unit can mix a gas containing carbon dioxide into the carbon dioxide fixing agent.   
     
     
         2 . The carbon dioxide fixation apparatus according to  claim 1 , wherein
 the gas-liquid mixing unit is inserted into the first reaction vessel, a plurality of holes are provided at an insertion end portion, and the gas can be discharged from the plurality of holes into the carbon dioxide fixing agent in the first reaction vessel.   
     
     
         3 . The carbon dioxide fixation apparatus according to  claim 1 , wherein
 the gas-liquid mixing unit comprises a liquid circulation flow path and a pump,   the liquid circulation flow path comprises a liquid suction end portion and a liquid discharge end portion,   the liquid suction end portion and the liquid discharge end portion are inserted into the first reaction vessel, and   the pump can suck the carbon dioxide fixing agent from the liquid suction end portion and can discharge the sucked carbon dioxide fixing agent from the liquid discharge end portion.   
     
     
         4 . The carbon dioxide fixation apparatus according to  claim 3 , wherein
 the liquid circulation flow path further comprises a gas-liquid mixing member, and   the gas-liquid mixing member can mix the gas into a liquid flowing through the liquid circulation flow path.   
     
     
         5 . The carbon dioxide fixation apparatus according to  claim 3 , wherein
 the liquid suction end portion comprises a filtration unit, and   the filtration unit can remove a solid component contained in the carbon dioxide fixing agent.   
     
     
         6 . The carbon dioxide fixation apparatus according to  claim 1 , further comprising:
 a second reaction vessel; and
 a vessel communication flow path, wherein 
 the first reaction vessel and the second reaction vessel communicate with each other by the vessel communication flow path, and a liquid can be fed from the first reaction vessel to the second reaction vessel. 
   
     
     
         7 . The carbon dioxide fixation apparatus according to  claim 6 , wherein
 the first reaction vessel is disposed above the second reaction vessel.   
     
     
         8 . The carbon dioxide fixation apparatus according to  claim 6 , wherein
 the vessel communication flow path comprises a flow rate adjustment unit.   
     
     
         9 . The carbon dioxide fixation apparatus according to  claim 6 , wherein
 the vessel communication flow path is inserted into the second reaction vessel, and the vessel communication flow path comprises a solidified product separation unit at an insertion end portion, and   the solidified product separation unit can separate a solid product contained in a liquid fed from the first reaction vessel, and the liquid after the separation can be fed from the vessel communication flow path into the second reaction vessel.   
     
     
         10 . The carbon dioxide fixation apparatus according to  claim 6 , wherein
 the gas-liquid mixing unit comprises a liquid circulation flow path and a pump,   the liquid circulation flow path comprises liquid suction end portions and a liquid discharge end portion,   the liquid suction end portions are inserted into the first reaction vessel and the second reaction vessel,   the liquid discharge end portion is inserted into the first reaction vessel,   the pump can suck the carbon dioxide fixing agent from the liquid suction end portions of the first reaction vessel and the second reaction vessel and can discharge the sucked carbon dioxide fixing agent from the liquid discharge end portion of the first reaction vessel.   
     
     
         11 . The carbon dioxide fixation apparatus according to  claim 1 , further comprising:
 a cooling unit, wherein   the cooling unit can cool the carbon dioxide fixing agent after the reaction.   
     
     
         12 . The carbon dioxide fixation apparatus according to  claim 1 , further comprising:
 a temperature retention unit, wherein   the temperature retention unit can retain a temperature of the carbon dioxide fixing agent at 70° C. or higher.